diff --git a/.env.example b/.env.example
index 3cff87bb18..6257f68fd3 100644
--- a/.env.example
+++ b/.env.example
@@ -8,7 +8,7 @@ DEBUG=${DEBUG:-False}
 LOG_LEVEL=${LOG_LEVEL:-INFO}
 EXTRA_CORS_ORIGINS=${EXTRA_CORS_ORIGINS}
 FMTM_DOMAIN=${FMTM_DOMAIN:-"fmtm.localhost"}
-FMTM_PORT=${FMTM_PORT:-7050}
+FMTM_DEV_PORT=${FMTM_DEV_PORT:-7050}
 CERT_EMAIL=${CERT_EMAIL}
 # Use API_PREFIX if running behind a proxy subpath (e.g. /api)
 API_PREFIX=${API_PREFIX:-/}
diff --git a/docker-compose.yml b/docker-compose.yml
index 414b44718a..4f7d0ba042 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -55,7 +55,7 @@ services:
     volumes:
       - central_frontend:/usr/share/nginx/html/central
     ports:
-      - ${FMTM_PORT:-7050}:80
+      - ${FMTM_DEV_PORT:-7050}:80
     networks:
       - fmtm-net
     restart: "unless-stopped"
@@ -112,7 +112,7 @@ services:
       - ./src/frontend:/app
       - /app/node_modules/
     environment:
-      - VITE_API_URL=http://api.${FMTM_DOMAIN}:${FMTM_PORT:-7050}
+      - VITE_API_URL=http://api.${FMTM_DOMAIN}:${FMTM_DEV_PORT:-7050}
       - VITE_ODK_CENTRAL_URL=${ODK_CENTRAL_URL}
       - VITE_ODK_CENTRAL_USER=${ODK_CENTRAL_USER}
       - VITE_ODK_CENTRAL_PASSWD=${ODK_CENTRAL_PASSWD}
diff --git a/scripts/gen-env.sh b/scripts/gen-env.sh
index 5d3e91b3dc..bec45c9f2a 100644
--- a/scripts/gen-env.sh
+++ b/scripts/gen-env.sh
@@ -365,23 +365,17 @@ set_osm_credentials() {
 }
 
 check_change_port() {
-    pretty_echo "Set Default Port"
+    heading_echo "Set Default Port"
     echo "The default port for local development is 7050."
     echo
-    while true
-    do
-        read -e -p "Enter a different port if required, or nothing for default: " fmtm_port
-        
-        if [ "$fmtm_port" == "" ]
-        then
-            echo "Using port 7050 for FMTM."
-            break
-        else 
-            echo "Using $fmtm_port"
-            export FMTM_PORT="$fmtm_port"
-            break
-        fi
-    done
+    read -e -p "Enter a different port if required, or nothing for default: " fmtm_port
+
+    if [ -n "$fmtm_port" ]; then
+        echo "Using $fmtm_port"
+        export FMTM_DEV_PORT="$fmtm_port"
+    else
+        echo "Using port 7050 for FMTM."
+    fi
 }
 
 generate_dotenv() {
diff --git a/src/backend/app/config.py b/src/backend/app/config.py
index b6242620c4..27a0698365 100644
--- a/src/backend/app/config.py
+++ b/src/backend/app/config.py
@@ -32,7 +32,7 @@ class Settings(BaseSettings):
     LOG_LEVEL: str = "INFO"
 
     FMTM_DOMAIN: Optional[str]
-    FMTM_PORT: Optional[str] = "7050"
+    FMTM_DEV_PORT: Optional[str] = "7050"
 
     EXTRA_CORS_ORIGINS: Optional[Union[str, list[str]]] = []
 
@@ -53,7 +53,7 @@ def assemble_cors_origins(
         # Build default origins from env vars
         url_scheme = "http" if info.data.get("DEBUG") else "https"
         local_server_port = (
-            f":{info.data.get('FMTM_PORT')}" if info.data.get("DEBUG") else ""
+            f":{info.data.get('FMTM_DEV_PORT')}" if info.data.get("DEBUG") else ""
         )
         if frontend_domain := info.data.get("FMTM_DOMAIN"):
             default_origins = [
diff --git a/src/frontend/public/install.sh b/src/frontend/public/install.sh
index 0f90784c2c..fd489cceeb 100644
--- a/src/frontend/public/install.sh
+++ b/src/frontend/public/install.sh
@@ -735,7 +735,7 @@ check_change_port() {
 
     if [ -n "$fmtm_port" ]; then
         echo "Using $fmtm_port"
-        export FMTM_PORT="$fmtm_port"
+        export FMTM_DEV_PORT="$fmtm_port"
     else
         echo "Using port 7050 for FMTM."
     fi
@@ -829,7 +829,7 @@ final_output() {
     if [ "$IS_TEST" != true ]; then
         proto="https"
     else
-        suffix=":${FMTM_PORT:-7050}"
+        suffix=":${FMTM_DEV_PORT:-7050}"
     fi
 
     heading_echo "FMTM Setup Complete"